package org.catdroid.englishformusicians;

import java.util.ArrayList;
import java.util.List;
import java.util.Locale;

import android.app.ActionBar;
import android.app.FragmentTransaction;
import android.content.Context;
import android.content.Intent;
import android.content.res.Resources;
import android.os.Bundle;
import android.speech.RecognizerIntent;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.ViewPager;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Adapter;
import android.widget.ArrayAdapter;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.TextView;

public class MainActivity extends FragmentActivity implements ActionBar.TabListener {

	/**
	 * The {@link android.support.v4.view.PagerAdapter} that will provide fragments for each of the sections. We use a
	 * {@link android.support.v4.app.FragmentPagerAdapter} derivative, which will keep every loaded fragment in memory. If this becomes too memory intensive, it
	 * may be best to switch to a {@link android.support.v4.app.FragmentStatePagerAdapter}.
	 */
	SectionsPagerAdapter mSectionsPagerAdapter;

	/**
	 * The {@link ViewPager} that will host the section contents.
	 */
	ViewPager mViewPager;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);

		// Set up the action bar.
		final ActionBar actionBar = getActionBar();
		actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);

		// Create the adapter that will return a fragment for each of the three
		// primary sections of the app.
		mSectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager());

		// Set up the ViewPager with the sections adapter.
		mViewPager = (ViewPager) findViewById(R.id.pager);
		mViewPager.setAdapter(mSectionsPagerAdapter);

		// When swiping between different sections, select the corresponding
		// tab. We can also use ActionBar.Tab#select() to do this if we have
		// a reference to the Tab.
		mViewPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
			@Override
			public void onPageSelected(int position) {
				actionBar.setSelectedNavigationItem(position);
			}
		});

		// For each of the sections in the app, add a tab to the action bar.
		for (int i = 0; i < mSectionsPagerAdapter.getCount(); i++) {
			// Create a tab with text corresponding to the page title defined by
			// the adapter. Also specify this Activity object, which implements
			// the TabListener interface, as the callback (listener) for when
			// this tab is selected.
			actionBar.addTab(actionBar.newTab().setText(mSectionsPagerAdapter.getPageTitle(i)).setTabListener(this));
		}
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.main, menu);
		return true;
	}

	@Override
	public boolean onMenuItemSelected(int featureId, MenuItem item) {
		Intent i = new Intent(this, AboutActivity.class);
		startActivity(i);
		return true;
	}

	@Override
	public void onTabSelected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
		// When the given tab is selected, switch to the corresponding page in
		// the ViewPager.
		mViewPager.setCurrentItem(tab.getPosition());
	}

	@Override
	public void onTabUnselected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
	}

	@Override
	public void onTabReselected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
	}

	/**
	 * A {@link FragmentPagerAdapter} that returns a fragment corresponding to one of the sections/tabs/pages.
	 */
	public class SectionsPagerAdapter extends FragmentPagerAdapter {

		public SectionsPagerAdapter(FragmentManager fm) {
			super(fm);
		}

		@Override
		public Fragment getItem(int position) {
			// getItem is called to instantiate the fragment for the given page.
			// Return a DummySectionFragment (defined as a static inner class
			// below) with the page number as its lone argument.
			DummySectionFragment fragment = new DummySectionFragment();
			Bundle args = new Bundle();
			args.putInt(DummySectionFragment.ARG_SECTION_NUMBER, position);
			fragment.setArguments(args);
			return fragment;
		}

		@Override
		public int getCount() {
			// Show 2 total pages.
			return 2;
		}

		@Override
		public CharSequence getPageTitle(int position) {
			Locale l = Locale.getDefault();
			switch (position) {
			case 0:
				return getString(R.string.title_section1).toUpperCase(l);
			case 1:
				return getString(R.string.title_section2).toUpperCase(l);
			}
			return null;
		}
	}

	/**
	 * A dummy fragment representing a section of the app, but that simply displays dummy text.
	 */
	public static class DummySectionFragment extends Fragment {
		/**
		 * The fragment argument representing the section number for this fragment.
		 */
		public static final String ARG_SECTION_NUMBER = "section_number";

		public DummySectionFragment() {

		}

		private ArrayAdapter listAdapter = null;
		private ListView list = null;

		@Override
		public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
			Log.i("FLOW", "onCreateView()");

			View rootView = inflater.inflate(R.layout.fragment_main_dummy, container, false);
			// TextView dummyTextView = (TextView)
			// rootView.findViewById(R.id.section_label);
			// dummyTextView.setText(Integer.toString(getArguments().getInt(ARG_SECTION_NUMBER)));

			int sentencesCount = 72;
			int idVO = -1;
			int idTrad = -1;
			String resource;
			Resources res = getResources();
			List sentences = new ArrayList<Sentence>();
			for (int i = 1; i <= sentencesCount; i++) {
				resource = "frase" + i;
				idVO = res.getIdentifier(resource + "_vo", "string", "org.catdroid.englishformusicians");
				idTrad = res.getIdentifier(resource, "string", "org.catdroid.englishformusicians");

				Sentence frase = new Sentence();
				frase.textoVO = getString(idVO);
				frase.textoTraducido = getString(idTrad);
				sentences.add(frase);
			}

			int position = getArguments().getInt(ARG_SECTION_NUMBER);
			list = (ListView) rootView.findViewById(R.id.list);
			if (position == 0) {
				listAdapter = new AdapterPlayScreen(getActivity(), sentences);
			} else {
				listAdapter = new AdapterTestScreen(getActivity(), sentences);
			}
			list.setAdapter(listAdapter);

			return rootView;
		}

		public void onResume() {
			super.onResume();
			listAdapter.notifyDataSetChanged();
		};

	}

	public static String lastSentence;

	@Override
	protected void onActivityResult(int requestCode, int resultCode, Intent data) {
		if (requestCode == GoogleVoiceUtil.VOICE_RECOGNITION_REQUEST_CODE && resultCode == RESULT_OK) {
			ArrayList<String> lastVoiceMatches = data.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS);

			String cleanSentence = cleanSentenceString(lastSentence);
			for (String v : lastVoiceMatches) {

				if (v.toLowerCase().equals(cleanSentence)) {
					TestRepository.addChecked(this, cleanSentence);
					Log.i("VOICE", v + " - OK!");
				} else {
					Log.i("VOICE", v + " - Nope!");
				}
			}
		}
	}

	public static String cleanSentenceString(String s) {
		return s.toLowerCase().replaceAll("   ", " ").replaceAll("  ", " ").replaceAll("!", "").replaceAll(",", "").replaceAll("\\?", "");
	}
}
